fixes #101 upgrade jackson-databind to 2.9.9.3 (#102)

Author: stevehu

pom.xml

@@ -96,6 +96,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <version.light-4j>2.0.4-SNAPSHOT</version.light-4j>
         <version.jackson>2.9.9</version.jackson>
+        <version.jackson-databind>2.9.9.3</version.jackson-databind>
         <version.slf4j>1.7.25</version.slf4j>
         <version.jose4j>0.6.3</version.jose4j>
         <version.commons-text>1.3</version.commons-text>
@@ -338,7 +339,7 @@
             <dependency>
                 <groupId>com.fasterxml.jackson.core</groupId>
                 <artifactId>jackson-databind</artifactId>
-                <version>${version.jackson}</version>
+                <version>${version.jackson-databind}</version>
             </dependency>
             <dependency>
                 <groupId>com.fasterxml.jackson.core</groupId>